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TROUBLE DIAGNOSIS ATC-85 C D E F G H I K L M A B ATC 4. CHECK FOR AUTO AMP. OUTPUT 1. Reconnect blower motor connector and auto amp. connector. 2. Turn ignition switch ON. 3. Vary the fan speed between Lo and Hi and confirm the blower OK or NG OK >> GO TO 5. NG >> Replace auto amp. 5. CHECK BLOWER MOTOR DRIVE SIGNAL If the fan air flow does not change, normal terminal 3 (L/OR) drive signal duty ratios are shown in the table OK or NG OK >> Replace blower motor. NG >> INSPECTION END COMPONENT INSPECTION Confirm smooth rotation of the blower motor. ● Ensure that there are no foreign particles inside the intake unit. RJIA1603E RJIA0338E RJIA0271E |